Abundant Numbers
876
Abundant Numbers (Long)
924
Arabic to Roman
711
Arithmetic Numbers
960
Arrows
829
Ascending Primes
587
brainfuck
751
Card Number Validation
786
Catalan Numbers
874
Collatz
541871740
886
CSS Colors
437
Day of Week
719
Diamonds
722
Divisors
985
Emirp Numbers
651
Emirp Numbers (Long)
572
Emojify
485
Evil Numbers
958
Evil Numbers (Long)
951
Factorial Factorisation
752
Farey Sequence
683
Fibonacci
452521805752666823819674
689935321709
Fizz Buzz
956
Foo Fizz Buzz Bar
970
Forsyth–Edwards Notation
750
Fractions
824
Happy Numbers
981
Happy Numbers (Long)
697
Intersection
850
Inventory Sequence
608
ISBN
574
Kaprekar Numbers
266
Kolakoski Constant
823
Kolakoski Sequence
912
Leap Years
815
588
Levenshtein Distance
673
Leyland Numbers
694
ln 2
900
Lucky Numbers
555
Lucky Tickets
488
Medal Tally
443
Niven Numbers
799
Niven Numbers (Long)
903
Odious Numbers
956
Odious Numbers (Long)
949
Ordinal Numbers
465
918
977
Pangram Grep
928
Pernicious Numbers
767
Pernicious Numbers (Long)
800
Prime Numbers
735
892
Prime Numbers (Long)
952
Quine
946
Repeating Decimals
391
Seven Segment
430
United States
176
π
874
τ
818
φ
886
√2
855
𝑒
699